trans ‐Stilbene Incorporation in Acidic Medium‐Pore ZSM‐5 Zeolite: A Pulsed EPR Study | Zendy

Vezin Hervé | Zendy; Moissette Alain | Zendy; Hureau Matthieu | Zendy; Brémard Claude | Zendy

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trans ‐Stilbene Incorporation in Acidic Medium‐Pore ZSM‐5 Zeolite: A Pulsed EPR Study

Author(s) -

Vezin Hervé,

Moissette Alain,

Hureau Matthieu,

Brémard Claude

Publication year - 2006

Publication title -

chemphyschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.016

H-Index - 140

eISSN - 1439-7641

pISSN - 1439-4235

DOI - 10.1002/cphc.200600279

Subject(s) - electron paramagnetic resonance , unpaired electron , chemistry , zeolite , electron , radical , electron transfer , photochemistry , ionization , spectroscopy , electron acceptor , electron paramagnetic resonance spectroscopy , inorganic chemistry , crystallography , nuclear magnetic resonance , organic chemistry , catalysis , ion , physics , quantum mechanics

Entrapped radicals : trans ‐Stilbene (C 6 H 5 CHCHC 6 H 5 , t ‐St) entrapment in medium‐pore acidic H n ZSM‐5 zeolites induces t ‐St ionization and subsequent electron transfer. The aluminium‐rich ZSM‐5 participates both as electron acceptor and donor to the unusual stabilization of the t ‐St@H n ZSM‐5 .+.− electron–hole pair. Pulsed electron paramagnetic resonance (EPR; see picture) spectroscopy provides a realistic picture of the chemical environments of the unpaired electrons.

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